4" Purpurite Tower from Brazil DM128 leopard skin This large

This large

Great glassy luster on this vibrant yellow fluorite from Moscona Mine in Spain

The Profunda Mine was an old Roman mine and was later used as a source of copper ore until the end of the 20th century

Ruby fuchsite exhibits a trichroic nature

4" Purpurite Tower from Brazil DM128 leopard skin This largePurpurite is a beautiful mineral known for its vivid purple hue, ranging from deep violet to reddish purple. Composed primarily of manganese and iron, its chemical formula is often denoted as (Mn,Fe)PO. Typically crystallizing in the orthorhombic system, purpurite forms prismatic or tabular crystals, though it can also manifest in massive or granular structures. With a hardness of 4. 5 to 5. 5 on the Mohs scale, it falls on the softer side of